Most foreign mining in Burma is done by Ivanhoe. Click on Copper Operations, then on Monywa or search for Myanmar or Monywa. Gold also.
The Online Burma/Myanmar Library (OBL) is a non-profit online research library mainly in English and Burmese serving academics, activists, diplomats, NGOs, CSOs, CBOs and other Burmese and international actors. It is also, of course, open to the general public.